KLASSNUM Flip-Up Round Sunglasses UV400 Retro Unisex

KLASSNUM Retro Flip-Up Round Sunglasses – UV400 Protection, Unisex Style

Turn heads with these vintage-inspired flip-up round sunglasses from KLASSNUM. Combining classic retro aesthetics with modern practicality, the unique flip-up mechanism gives you a stylish 2-in-1 eyewear option — wear them as sunglasses outdoors or flip up the tinted lens to use as clear-frame glasses. Lightweight, CE-certified, and available in a variety of striking color combinations. Made in China.

Key Features

• Flip-Up 2-in-1 Design: Easily flip the tinted lens upward to switch between sunglasses and plain eyewear — perfect for indoor-to-outdoor transitions on the go.
• UV400 Protection: Resin lenses block 100% of UVA and UVB rays (UV400 / ANSI Z80.3), keeping your eyes shielded during outdoor activities.
• Lightweight Polycarbonate Frame: The PC frame weighs just 20.9 g, ensuring all-day comfort without any heavy pressure on your nose or ears.
• Secure, Comfortable Fit: Quality-texture hinges and curved temple arms follow your facial contours for a stable, secure fit that stays in place.
• Versatile Retro Round Silhouette: The small round frame suits most face shapes and pairs effortlessly with everyday outfits, street style, stage looks, and more.
• Unisex Design: Styled to complement any gender — a wardrobe essential for both men and women.

Specifications

Available Color Options

• Black Frame / Black Grey Lens
• White Frame / Gradient Brown Lens
• Green Frame / Light Grey Lens
• Tortoiseshell Frame / Pink Lens
• Tortoiseshell Frame / Grey Lens
• Transparent Frame / Gradient Grey Lens
• Black Tortoiseshell Frame / Light Grey Lens

Ideal Use Scenarios

Daily sun protection · Traveling & road trips · Outdoor sports & cycling · Driving · Street style & photography · Stage performances · Parties & social gatherings

What's in the Box

• 1 × KLASSNUM Flip-Up Round Sunglasses (Polycarbonate Frame, Resin Lens)

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Learn more: National Eye Institute on eye health

Frequently Asked Questions

Q: What UV protection level do these KLASSNUM flip-up sunglasses offer?

A: These sunglasses feature UV400 protection, meaning the resin lenses block 100% of UVA and UVB ultraviolet rays. They also meet ANSI Z80.3 standards and carry CE certification, making them a reliable choice for everyday outdoor eye protection.

Q: How does the flip-up design work, and can I use these indoors?

A: The hinged tinted lens panel flips upward with ease, converting the sunglasses into a clear-frame pair. This 2-in-1 functionality makes them ideal for transitioning between bright outdoor environments and indoor settings without needing to carry a second pair of glasses.

Q: Will these sunglasses fit my face shape?

A: The small round retro frame (total frame width 13.6 cm, temple length 14.1 cm) is designed to fit most adult face shapes, and the curved temple arms help keep them securely in place. The unisex design suits both men and women.

Q: Are the frames durable enough for active outdoor use?

A: Yes. The lightweight polycarbonate (PC) construction is known for its impact resistance and durability, and the quality-texture hinges help the frames withstand everyday handling. At just 20.9 g, they are comfortable for extended wear during sports, cycling, or travel.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.